In modern ABAP Object Oriented Programming, we define method parameters using the IMPORTING, EXPORTING keywords, each of which can use pass by value or pass by reference, as well as the RETURNING keyword, which always uses pass by value, and the CHANGING keyword, which always uses pass by reference. Let’s understand the difference between them. 1. Pass by Value When a parameter is passed by value, a copy of the data is made. This means […]